Leo G. Carroll
actor
- Gender: Male
- Birthday: 1886-10-25
- Day of Death: 1972-10-16 ( 86 years old )
- Place of Birth: Weedon Bec, Northamptonshire, England, UK
- Also Known As: Leo Gratten Carroll / Leo Carroll
- IMDB:nm0001991
Leo Gratten Carroll (25 October 1886 – 16 October 1972) was an English actor. He is best known for his roles in six Alfred Hitchcock films – Rebecca, Suspicion, Spellbound, The Paradine Case, Strangers on a Train, and North by Northwest – and the television series Topper, Going My Way, and The Man from U.N.C.L.E.